Modelling and Verifying Contract-Oriented Systems in Maude
Modelling and Verifying Contract-Oriented Systems in Maude
复制标题
在 Maude 中建模和验证面向合同的系统
DOI:
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发表时间:
2014
期刊:
影响因子:
--
通讯作者:
R. Zunino
中科院分区:
文献类型:
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作者:
Massimo Bartoletti;Maurizio Murgia;A. Scalas;R. Zunino
We address the problem of modelling and verifying contract-oriented systems, wherein distributed agents may advertise and stipulate contracts, but — differently from most other approaches to distributed agents — are not assumed to always behave “honestly”. We describe an executable specification in Maude of the semantics of CO2, a calculus for contract-oriented systems [6]. The honesty property [5] characterises those agents which always respect their contracts, in all possible execution contexts. Since there is an infinite number of such contexts, honesty cannot be directly verified by model-checking the state space of an agent (indeed, honesty is an undecidable property in general [5]). The main contribution of this paper is a sound verification technique for honesty. To do that, we safely over-approximate the honesty property by abstracting from the actual contexts a process may be engaged with. Then, we develop a model-checking technique for this abstraction, we describe an implementation in Maude, and we discuss some experiments with it.
影响因子:
0.6
作者:
Bartoletti M
通讯作者:
Bartoletti M